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62
results.
Updated on
19/04/2025 [06:45:00]
Results 25 to 50 of 62
Absstract of: WO2025041443A1
Provided is a technique for converting the energy of waves and appropriately storing the energy. This wave power engine 1 converts the swaying of an oceanic moving body to prescribed energy. The wave power engine 1 includes: a first container part 21 that is fixed to an oceanic moving body and that sways in accordance with the swaying of the oceanic moving body; a weight part 3 that is housed in the first container part 21 and is configured to be movable inside the first container, and that thereby moves relative to the first container part; a hydraulic pump 4 that applies pressure to a prescribed fluid using kinetic energy based on the relative motion of the weight part 3; and a pressure accumulation tank 31 that seals the fluid pressurized by the hydraulic pump 4 and thereby accumulates the pressure of the fluid. The weight part 3 pushes in a piston 42 along with the relative motion, whereby the piston 42 slides within a cylinder 41 in the hydraulic pump 4 and pressure is applied to the fluid.
Absstract of: WO2025040935A1
A tidal energy converter system comprising a fluid pressurising subsystem and a release mechanism wherein the fluid pressurising subsystem comprises a float, a plurality of weights, at least one piston slidably received in at least one cylinder. During an upward stroke of the fluid pressurising subsystem that is correspond to a high tide, the plurality of weights is moved to an elevated position. The plurality of weights is being held at the elevated position until the float engages the release mechanism during a downward stroke. As a result, the plurality of weights falls down and causes the at least one piston to move downwards and eject pressurised fluid out of the at least one cylinder.
Absstract of: US2025067240A1
Embodiments disclosed herein include buoyant wave energy converters. In an embodiment, the wave energy converter comprises an upper chamber having a first fluid reservoir and a first gas pocket, and a lower chamber having a second fluid reservoir and a second gas pocket. An injection tube is between and fluidly coupled to the upper chamber and the lower chamber, where the injection tube is to impel a fluid from the second fluid reservoir into the first fluid reservoir when the upper chamber, the lower chamber and the injection tube oscillate about a waterline with the upper chamber adjacent to the waterline and the lower chamber below the waterline and vertically beneath the upper chamber. In an embodiment, an effluent tube is fluidly coupled to the upper chamber and the lower chamber, where the effluent tube is to return the fluid from the first fluid reservoir to the second fluid reservoir.
Absstract of: US2025067241A1
Embodiments include a buoyant wave energy converter. In an embodiment, the wave energy converter comprises an upper chamber having a first fluid reservoir and a first gas pocket, and a lower chamber having a second fluid reservoir and a second gas pocket. In an embodiment, an injection tube is between and fluidly coupled to the upper chamber and the lower chamber, where the injection tube is to impel a fluid from the second fluid reservoir into the first fluid reservoir when the upper chamber, the lower chamber and the injection tube oscillate about a waterline with the upper chamber adjacent to the waterline and the lower chamber submerged below the waterline and vertically beneath the upper chamber. An effluent tube is fluidly coupled to the upper chamber and the lower chamber, where the effluent tube is to return the fluid from the first fluid reservoir to the injection tube.
Absstract of: NZ744544A
A turbine assembly, that is positively buoyant in water, and anchored to a water bed, so that the assembly is held in a state of floating equilibrium. The turbine assembly 200 has a support structure 226 and a turbine system comprising first and second turbines, supported by the support structure, and connected by a beam 224 where the first turbine is mounted on one surface of the beam, and the second turbine is mounted on a second, opposing surface of the beam 224. The first turbine system is rotatable about a horizontal axis, relative to the support structure in a direction parallel to the operational axis of the turbine. Both turbines are a flowing-water driveable turbine for generating power from water flow. The turbines have an operational axis and are designed for optimum power output when local water flow is aligned with the operational axis. The turbines have a parallel operational axis. With two turbines operating simultaneously, the overall power generation potential is significantly increased, and by having parallel operational axes, the system can capture energy from currents flowing in either direction without sacrificing efficiency. This is particularly beneficial in bi-directional flows like tidal currents.
Absstract of: GB2632896A
A turbine and turbine system that can be used in multiple energy generating environments, comprises a turbine having a rotor 100 with a helical turbine blade 110 extending along a longitudinal axis about which the rotor part rotates. The blade may be aerofoil shaped in cross section (figure 2), and may have a radius which varies along the length of the helical rotor, e.g. tapering towards the ends. The rotor may be mounted on a monopile and its axis may be inclined at an angle to the flow direction.
Absstract of: WO2025038693A1
An oscillating water column (OWC) includes a top body and a bottom body. The top body includes a hollow shape, an open top end, an open bottom end, a chamber traversing between the open top and bottom ends, a power take-off system proximate to the open top end, and an air channel proximate to the open top end and the power take-off system. The bottom body includes a bottom heave plate and a plurality of flexible tethers coupling the top body and the bottom body.
Absstract of: AU2023331173A1
An apparatus is disclosed for extracting energy from an oscillating working fluid. The apparatus comprises a housing 50 which is positioned on a floatable support structure 120/130 that is arranged in use to float on a body of water having waves. The the housing has an internal flow passage for receiving air; and a turbine 60/70 which is disposed at the housing. A unidirectional flow of the air is drawn out of the chamber by the use of an OWC created by respective incoming and outgoing flows of waves. The unidirectional flow of the OWC acting on the turbine 60/70 is responsive to, and generated by, only one of the flows of the waves.
Absstract of: AU2023332402A1
A wave energy apparatus for extracting energy from waves generated by a body of water, the apparatus including an elongate flexible tubular body, which defines a channel therein having a longitudinal axis, and a plurality of resiliently deformable elements disposed along the tubular body; wherein the elongate flexible tubular body is inextensible in a radial direction; the elongate flexible tube is open at each end; each resiliently deformable element is axially spaced from the adjacent resiliently deformable elements; each resiliently deformable element is secured to the tubular body at two or more anchor portions, wherein the anchor portions for each resiliently deformable element are circumferentially spaced from each other; each of the resiliently deformable elements has a non-extended configuration in which the respective anchor portions of the tubular body are spaced from the longitudinal axis of the channel by a first spacing, and an extended configuration in which the anchor portions of the tubular body are displaced radially outwards and are spaced from the longitudinal axis of the channel by a second spacing, wherein the second spacing is greater than the first spacing; and wherein the cross-sectional area of the tubular body when the resiliently deformable elements are in their extended configuration is greater than the cross-sectional area of the tubular body when the resiliently deformable elements are in their non-extended configuration.
Absstract of: US2025059947A1
An apparatus is for producing electricity from a moving fluid, wherein the apparatus has: an elongated body having a longitudinal axis, the elongated body being arranged to be attached to the ground or seabed and exposed to the moving fluid; at least one tensioned cable, which is supported in tension from the elongated body, and which is arranged at least in part inside the elongated body and further arranged to oscillate or vibrate upon oscillation of the elongated body; and at least one energy harvester for converting kinetic energy of the at least one oscillating or vibrating tensioned cable to electric energy.
Absstract of: WO2025037988A1
Apparatus (100) for generating electric power from water currents, wherein the apparatus (100) comprises a buoyant main body (200) and at least two buoyant side bodies (210a-d) arranged in a formation with the buoyant side bodies (210a-d) arranged at each side of the buoyant main body (200). The apparatus (100) comprises power generating devices (300a-d) enabling generation of power from water flow in two directions.
Absstract of: WO2025037045A1
A panel arrangement of a wave energy converter (WEC), which panel arrangement comprises a panel (2) reciprocating about a pivot shaft (2a) on bearings (2b), and a connection mechanism (5) with a lever arm (5a), which is arranged to transfer the reciprocating motion of the panel (2) to one or more power units (3) of the WEC, which panel (2) comprises at least a top part (7) and a bottom part (9). In the front view of the panel (2) the bottom part (9) of the panel (2) is narrower than the top part (7) of the panel (2).
Absstract of: US2025059942A1
An oscillating water column (OWC) includes a top body and a bottom body. The top body includes a hollow shape, an open top end, an open bottom end, a chamber traversing between the open top and bottom ends, a power take-off system proximate to the open top end, and an air channel proximate to the open top end and the power take-off system. The bottom body includes a bottom heave plate and a plurality of flexible tethers coupling the top body and the bottom body.
Absstract of: CN222501944U
本实用新型公开了一种靠岸式多级波浪能发电装置，包括压缩气室发电系统和浮体发电系统；压缩气室发电系统包括底部及一侧开口的腔室；腔室一侧开口处设有可相对开口另一侧移动的活动挡板；腔室底部开口用于伸入水体内形成液封从而使液封以上的空间形成压缩气室；活动挡板用于在波浪推力作用下横向移动从而将波浪的动能转化为压缩气室内气体的能量；腔室顶部设有通风口，通风口处设有空气涡轮发电机；浮体发电系统包括设于活动挡板上可随冲击在活动挡板上的波浪而上下移动的浮体；浮体连接有可随浮体上下移动而发电的水力涡轮发电机。装置在受到波浪冲击时，能从三个方向同时带动空气涡轮机和水力涡轮发电机进行旋转发电，大幅提高发电效率。
Absstract of: CN119467184A
本发明公开了一种密闭式船行波能发电装置及其使用方法，装置包括浮漂、初传动杆系、外壳、弹簧及推送节系、再传动齿轮轴系、发电及电能储蓄系统、干燥盒；外壳为密闭式结构，浮漂用于接触水面，其顶端设有球铰以与初传动杆系连接；初传动杆系通过中部球铰穿设于外壳壳壁，初传动杆系末端刚接一球齿轮；再传动齿轮轴系可滑动地设于外壳内并通过弹簧及推送节系推动与初传动杆系末端的球齿轮啮合；再传动齿轮轴系与发电及电能储蓄系统的发电机连接以进行发电。本发明将航道内来船产生的船行波转化为储存的绿色清洁能源，同时，该装置对船行波来波产生负反馈效果，有效减少了船行波对航道岸壁的冲刷，有效保护航道岸壁。
Absstract of: WO2025037988A1
Apparatus (100) for generating electric power from water currents, wherein the apparatus (100) comprises a buoyant main body (200) and at least two buoyant side bodies (210a-d) arranged in a formation with the buoyant side bodies (210a-d) arranged at each side of the buoyant main body (200). The apparatus (100) comprises power generating devices (300a-d) enabling generation of power from water flow in two directions.
Nº publicación: CN222501945U 18/02/2025
Applicant:
江苏多氪信息科技有限公司
Absstract of: CN222501945U
本实用新型公开了一种可调整水轮方向的潮汐水轮发电机组，涉及潮汐发电机技术领域。本实用新型包括水轮、转动轴和调节框，转动轴焊接在水轮上表面，调节框为环形板体结构，调节框装嵌在转动轴周侧面，转动轴一端贯穿调节框上表面，转动轴一端装嵌有转动电机，转动电机周侧面装嵌有第一安装箱，第一安装箱装嵌在调节框上表面，水轮下表面焊接有第一连轴，调节框内部一表面焊接有转动座，第一连轴一端延伸至转动座内部。本实用新型通过转动轴、调节框和第一连轴结构，方便带动水轮在调节框内部进行左右转动，从而便于根据潮汐的流动方向进行调整，充分利用潮汐资源，提高装置使用时的灵活性。
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